Improvement in boiler washing-machines



F. H. BIESECKER.

Boiler Washing Machines:

Patehted June 2,1874.

f wnuesses:

TTURNEYS.

UNITED STATES PATENT OFFICE.

FRANKLIN H.BIESECKER, OF CASHTOVN, PENNSYLVANIA.

IMPROVEMENT IN BOILER WASHING-MACHINES.

Specification forming part of Letters Patent No. 151,533, dated June 2, 1874; application tiled March 21, 1874.

-transverse section of false bottom and rubberblock, taken on the line a; fr, Fig. 1.

Similar letters of reference indicate corresponding parts. Y

The invention will rst be fully described, and then pointed out in the claims.

In the drawing, A represents a wash-boiler, of cylindrical shape and suitable material, which carries on a projecting flange, a, near the bottom a second false bottom, B, fitting closely thereon. Boiler A is provided below the false'bottom B, and also near the top, with perforations b, which are connected by hot-water channels or passages G, tapering from the bottom toward the top, for the Apurpose of discharging the hot water forced up by the generation of steam in the lower part of the boiler with considerable force onto the clothes` in the upper part. The false bottom B has also a central tube or hot-water passage, C, ot' suitable height, through which the water is discharged in connection with cylindrical cap D, attached to the under side of false bottom B, andextending to the real bottom of the boiler. Gap Dis perforated at the side for admitting freely the water, and forming thereby akind of secondary chamber, for developing steam and forcing up the boiling water. The false bottom B is furthermore provided with apertures d, which are closed by correspondin gly-arran ged valves E, hinged to the lower side, and supported, when open, by suitable lugs or holders E. Radial ridges F, of zinc or other suitable material, extend between the apertures d on the upper side of bottom B, and serve for the double purpose of givingfriction to the clothes and for preventing them from closing theapertures d, and interrupting thereby the circulation ofthe water through the boiler. The rubber-block G is placed, by its central hollow shaft G, over the central hot-water tube C', the upper solid end of shaft G fitting closely into the lid Vor cover A of boiler A. Rubber-block G is rotated by a leverhandle or other suitable mechanism, keeping thereby the clothes in continual motion, and constantly exposed to the action of the boiling water. Block G is made of radial arms, and cleans the clothes by the friction caused by its grooved surface and the ribs of the false bottom. rlhe lower part of hollow shaft G has also holes e, through which the hot water issues, in connection with the central tube C', when the rubber-block G isplaced over the Sil-111B.

rlhe apparatus may also be used advanta geously as wash-boiler' without the rubber block, a suitable perforated cap-piece being then placed on the upper end of tube C.

Having thus described my invention, I claim as new and desire to secure by Letters Fatentl. As an improvement in wash-boilers, the combination of boiler A, having tapering hot water passages C, with false bottom B, provided with perforations d, hinged valves E, perforated bottom cap D, and connecting central hotwater passage C', for the purposes of discharging the boiling water on the clothes from the sides and the center ot' the boiler, as Set fort-h.

2. The central hot-water passage C', in combination with hollow shaft G', having apertures e for the discharge of the water, when the boiler is used with the rotating rubberJ block, as described.

FRANKLIN I-I. BIESECKER.

Titnesses J AMES A. REBERT, XVM. BIEsEcKER. 

